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Slender Beak Sedge
Carex athrostachya

About Slender Beak Sedge (Carex athrostachya) Carex athrostachya is a species of sedge known by the common name slenderbeak sedge. It is native to western North America, including Alaska to central Canada, the western contiguous United States, and just into Baja California. It grows in wet and seasonally wet areas, such as wetlands and meadows. It produces dense clumps of stems up to 80 centimeters tall. The flower cluster is a dense green to brown cluster one or two centimeters long.
Plant Description
Plant Type

Max. Height
2 - 2.6 ft (0.6 - 0.8 m)


Growth Rate

Flower Color
Green, Brown

Flowering Season

Native Status

Natural Setting
Site Type
Seasonally moist meadows, marshes

Part Shade

Elevation ?
55' - 10562'

Annual Precip. ?
5.2" - 125.9"

Summer Precip. ?
0.38" - 3.82"

Coldest Month ?
20.1° F - 53.5° F

Hottest Month ?
46.4° F - 76.6° F

Humidity ?
0.09 vpd - 29.35 vpd

Soil Description
Prefers sandy or loamy soils. Does not grow well in clay soils.


Landscaping Information
Other Names
Common Names
Slender-beak Sedge, Slenderbeak Sedge

Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora

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